//
//  MBTUiColor.m
//  萌捕头
//
//  Created by hb on 15/6/30.
//  Copyright (c) 2015年 amaoagou. All rights reserved.
//

#import "MBTUiColor.h"

#define MBT_RED_STATE_NORMAL @"#ec407a"
#define MBT_RED_STATE_PRESS @"#c93668"

@implementation UIColor (MBTUiColor)

#pragma mark 红色按钮正常状态
+(UIColor *)mbtRedColorForStateNormal{
    return [UIColor colorwithHexString:MBT_RED_STATE_NORMAL];
}

#pragma mark 红色按钮按下状态
+(UIColor *)mbtRedColorForStatePress{
    return [UIColor colorwithHexString:MBT_RED_STATE_PRESS];
}



+(UIColor *)colorwithHexString:(NSString*)hexValue{

    //删除字符串中的空格
    NSString *cString = [[hexValue stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    // String should be 6 or 8 characters
    if ([cString length] < 6)
    {
        return [UIColor clearColor];
    }
    // strip 0X if it appears
    //如果是0x开头的，那么截取字符串，字符串从索引为2的位置开始，一直到末尾
    if ([cString hasPrefix:@"0X"])
    {
        cString = [cString substringFromIndex:2];
    }
    //如果是#开头的，那么截取字符串，字符串从索引为1的位置开始，一直到末尾
    if ([cString hasPrefix:@"#"])
    {
        cString = [cString substringFromIndex:1];
    }
    if ([cString length] != 6)
    {
        return [UIColor clearColor];
    }
    
    // Separate into r, g, b substrings
    NSRange range;
    range.location = 0;
    range.length = 2;
    //r
    NSString *rString = [cString substringWithRange:range];
    //g
    range.location = 2;
    NSString *gString = [cString substringWithRange:range];
    //b
    range.location = 4;
    NSString *bString = [cString substringWithRange:range];
    
    // Scan values
    unsigned int r, g, b;
    [[NSScanner scannerWithString:rString] scanHexInt:&r];
    [[NSScanner scannerWithString:gString] scanHexInt:&g];
    [[NSScanner scannerWithString:bString] scanHexInt:&b];
    return [UIColor colorWithRed:((float)r / 255.0f) green:((float)g / 255.0f) blue:((float)b / 255.0f) alpha:1.0f];

}


@end
